Reproduction steps:
1. Open the attached “Example” project
2. Open the “Assets/Scenes/Boot.unity” Scene
3. Open Addresables Hosting Window (Window > Asset Management > Addressables > Hosting)
4. Check the “Enable” setting
5. Open the Addressables Groups Window (Window > Asset Management > Addressables > Groups)
6. In the Addressables Groups Window, select Build > New Build > Default Build Script
7. Enter the Play Mode
8. Observe the Console Window and the download size from the “DOWNLOAD SIZE” message
9. Exit the Play Mode
10. Repeat 7th and 8th steps

Expected result: The “DOWNLOAD SIZE IS 0 Mb” message is displayed
Actual result: The “DOWNLOAD SIZE IS 17.5” message is displayed

Reproducible with: 2022.1.0a16, 2022.3.18f1, 2023.2.7f1
Not reproducible with: 2021.3.34f1, 2022.1.0a15
Could not test with: 2023.3.0b4 (“error CS0234” and two “error CS0246” errors in AddressablesTools)

Reproducible on: macOS Sonoma 14.1.2 (Intel), Windows 10 (user’s)
Not reproducible on: No other environment tested

Notes:
- Download size may vary
- Only reproducible when the WebGL Platform is selected